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A small number of the forest species of lepidoptera (moths and butterf

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Manager
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Joined: 17 Aug 2018
Posts: 73
A small number of the forest species of lepidoptera (moths and butterf  [#permalink]

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New post 20 Jul 2019, 07:46
1
LeenaSai wrote:
Can anyone explain the se one question ?

“ It can be inferred from the passage that the mortality caused by agents such as predatory birds or parasites was measured in an attempt to ????”

I thought it’s option C

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LeenaSai

To answer the question lets first understand the passage.

Para 1- explains what is population cycle. Then para moves on to state that among various factors anyone factor must be dominant that causes population cycle.
Despite considerable research finding that one factor has not been very easy. Common approach of analysing parasite and predators has been unproductive and so are others.
If population cycle is not self regulating then there must be some factor intimately connected that causes the phenomenon.

In Para2- Nuclear polyhedrosis viruses are hypothesized to be that factor and reasons to believe the hypothesis are described.

Para3- Provides additional supporting reasons to believe the hypothesis.

Now, coming to the question at hand.

Option C is about "possible methods for controlling Lepidoptera population growth". This paraege is nowhere concerned or discusses about methods for controlling Lepidoptera population growth.

Option A is indeed the correct answer choice as predatory birds or parasites was measured in an attempt to find the dominant factor that regulates lepidoptera population cycles.

I hope this explanation helps.
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Re: A small number of the forest species of lepidoptera (moths and butterf  [#permalink]

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New post 20 Jul 2019, 07:57
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Hi KaranB1,

Your prompt and logical reply made my day !!! Kudos

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Re: A small number of the forest species of lepidoptera (moths and butterf   [#permalink] 20 Jul 2019, 07:57

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A small number of the forest species of lepidoptera (moths and butterf

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